playbacks
n.
录音重放，录音重放装置，重放( playback的名词复数 );
例句:
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These repeated playbacks program the subconscious mind to store these images and other related information.
这些回放可以编辑无意识的想法进而储存这些意象和其他相关的消息.
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It takes a few playbacks to fully absorb its intensity.
来自BBC